Fix Outlook Connection Refused Error 0x80040115
Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Outlook Authentication Failed: App Password Not Working
If you're seeing an authentication failed error in Outlook and your app password...
How to Clear Microsoft Store Cache to Fix Download Errors
If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...
Fix Microsoft Store Login Loop: Reset and Recovery Steps
You open the Microsoft Store, sign in, and it immediately asks you to sign in again. This login l...
How to Fix Outlook Taking Too Long to Open Emails
If you click an email in Outlook and it takes several seconds or more to open, you're not alone. ...
How to Fix Windows Search Access Denied Error
If you see an "Access Denied" error when using Windows Search, it usually means the search indexe...
Topic paths
Quick titles
Fix Remote Desktop DNS Issues on Windows 10How to Stop an Infinite Login Loop Using CMDHow to Fix Outlook Slow Startup Caused by Large PST FilesChrome 'Failed to Load Extension' Error FixWindows Terminal 502 Bad Gateway Proxy FixWindows Defender 404 in Group Policy FixHow to Resolve Windows Security 502 Gateway ErrorWindows Defender Real-Time Protection Disable Guide